var all_daihao = [
  'http://img.netbian.com/file/2022/1002/small235635pNRXb1664726195.jpg',
  'http://img.netbian.com/file/2022/1002/small101942PUBwn1664677182.jpg',
  'http://img.netbian.com/file/2022/1004/small230901Q5Dfi1664896141.jpg',
  'http://img.netbian.com/file/2022/1003/small232045HEdhI1664810445.jpg',
  'http://img.netbian.com/file/2022/0927/small102905ZBChp1664245745.jpg',
  'http://img.netbian.com/file/2022/0901/small224945kzaLk1662043785.jpg',
  'http://img.netbian.com/file/2022/0804/small0031342nkjl1659544294.jpg',
  'http://img.netbian.com/file/2022/0710/small233243CkOg31657467163.jpg',
  'http://img.netbian.com/file/2022/0623/small225608oJWK71655996168.jpg',
  'http://img.netbian.com/file/2022/0613/small002908U1tms1655051348.jpg',   
  'http://img.netbian.com/file/2022/0607/small002401aE1VA1654532641.jpg',
  'http://img.netbian.com/file/2022/0527/small000254E1svV1653580974.jpg',
  'http://img.netbian.com/file/2022/0514/small0053288oA6B1652460808.jpg',
  'http://img.netbian.com/file/2022/0429/small004854ttHto1651164534.jpg',       
  'http://img.netbian.com/file/2022/0408/small002312IWFu91649348592.jpg'            
                      ];

 //  alert(all_daihao[Math.floor(Math.random()*all_daihao.length)]);    弹窗版

  window.location.href = all_daihao[Math.floor(Math.random()*all_daihao.length)];